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Finding the Fourth Proportional to 483,123.46, 724,304.04 and 305,255.56

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Solution

The fourth proportional to 483,123.46, 724,304.04 and 305,255.56 is: 457,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,123.46 : 724,304.04 = 305,255.56 : x
  2. Step 2: Convert to fraction form
    483,123.46/724,304.04 = 305,255.56/x
  3. Step 3: Cross multiply
    483,123.46x = 724,304.04 × 305,255.56
  4. Step 4: Simplify right side
    483,123.46x = 221,097,835,340.46
  5. Step 5: Solve for x
    x = 221,097,835,340.46/483,123.46
  6. Step 6: Final answer
    x = 457,642.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.